Optimem 4+

Optimem helps you study & memorize any topic as fast as possible
- Start learning in seconds. Choose from a wide variety of topics like Spanish, Sign Language, Piano, Programming, and more.
- Learn in 1-2 minute bite-sized sessions, like while waiting in line or on a bus. Quickly learn and practice on a fast path to mastery.
- Experience simple, delightful design combined with cutting-edge scientific techniques. Together, learning can be more efficient and more enjoyable.

Features
- Freely and instantly download learning materials in the app from a wide variety of subjects
- Seamless feed of questions to make learning fast and easy
- Spaced repetition system (also known as SRS or Leitner system) which lets you spend less time learning
- Sound and haptics feedback (short vibrations) to reinforce correct and incorrect answers
- Confetti blasts on correct answer streaks for more delight
- Support for images, audio, text, emojis and markdown formatting for flash cards
- Support for text-to-speech for pronunciation and listening practice
- Stats about your learning progress and rate
- List and explore all cards in a topic
- Customize new and review questions per day
- Dark mode
- Simple and distraction-free interface
- Experimental and controversial Instant Brain Upload mode*
- Connect and transfer content between your phone and another computer
- Open source learning materials
- Create, edit, remix, and share any learning materials

Languages:
- Spanish
- French
- Japanese – Hiragana & Katakana
- Hindi – Devanagari alphabet
- Russian – Cyrillic alphabet
- Korean – Hangul alphabet
- Mandarin Chinese
- Norwegian
- International morse code
- Braille
- American sign language
- Toki Pona – a language with only ~120 words, designed to be simple and positive

Other topics:
- Piano keys
- Music theory – music intervals & modes
- Rust programming language
- How to count in binary
- … and growing! Learning materials can be created, edited, and shared by anyone.

Brought to you by Organic Software.

Privacy Policy:
- https://optimem.org/privacy

Have feedback or questions?
- Contact us via https://optimem.org/discord or tweet us @OptimemApp